The Environmental Fate of Natural and Synthetic Oestrogens; Comparison between Prediction Tools and Experimental Values

The increasing demand for clean water leads to reuse practices such as the uses of sewage effluent in crops irrigation. However, the extent to which the effluent is safe to be used as irrigation water remains uncertain. Natural and synthetic oestrogens are ubiquitous in effluents and they are prese...

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Main Authors: E. A., Aziz, W. A., Wan Omar, N. A., Zainordin
Format: Article
Language:English
Published: IACSIT Press 2015
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/9393/1/649-CE008.pdf
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author E. A., Aziz
W. A., Wan Omar
N. A., Zainordin
author_facet E. A., Aziz
W. A., Wan Omar
N. A., Zainordin
author_sort E. A., Aziz
collection UMP
description The increasing demand for clean water leads to reuse practices such as the uses of sewage effluent in crops irrigation. However, the extent to which the effluent is safe to be used as irrigation water remains uncertain. Natural and synthetic oestrogens are ubiquitous in effluents and they are present in the final effluents for the vast majority of waste water treatment plants. Thus for this study, it was necessary to determine their sorption to soils in order to assess the possible human exposure from irrigation water. EPISUITE uses a prediction model whereby the inherent chemical and physical properties are used to determine the partition coefficients for each environmental compartment. However, this is a default model which can be made more accurate by experimentally measuring these partition coefficients. The Kow, Koc and Kd of these compounds were measured and computed to determine environmental fate. The experimental model was later compared to the default model. It can be concluded that by inputting the experimental values, the model changes remarkably and has given absolute values to the ambient conditions.
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spelling UMPir93932015-12-14T06:16:59Z http://umpir.ump.edu.my/id/eprint/9393/ The Environmental Fate of Natural and Synthetic Oestrogens; Comparison between Prediction Tools and Experimental Values E. A., Aziz W. A., Wan Omar N. A., Zainordin TA Engineering (General). Civil engineering (General) The increasing demand for clean water leads to reuse practices such as the uses of sewage effluent in crops irrigation. However, the extent to which the effluent is safe to be used as irrigation water remains uncertain. Natural and synthetic oestrogens are ubiquitous in effluents and they are present in the final effluents for the vast majority of waste water treatment plants. Thus for this study, it was necessary to determine their sorption to soils in order to assess the possible human exposure from irrigation water. EPISUITE uses a prediction model whereby the inherent chemical and physical properties are used to determine the partition coefficients for each environmental compartment. However, this is a default model which can be made more accurate by experimentally measuring these partition coefficients. The Kow, Koc and Kd of these compounds were measured and computed to determine environmental fate. The experimental model was later compared to the default model. It can be concluded that by inputting the experimental values, the model changes remarkably and has given absolute values to the ambient conditions. IACSIT Press 2015 Article PeerReviewed application/pdf en cc_by http://umpir.ump.edu.my/id/eprint/9393/1/649-CE008.pdf E. A., Aziz and W. A., Wan Omar and N. A., Zainordin (2015) The Environmental Fate of Natural and Synthetic Oestrogens; Comparison between Prediction Tools and Experimental Values. International Journal of Environmental Science and Development, 6 (7). pp. 526-529. ISSN 2010-0264. (Published) http://www.ijesd.org/index.php?m=content&c=index&a=show&catid=61&id=1000
spellingShingle TA Engineering (General). Civil engineering (General)
E. A., Aziz
W. A., Wan Omar
N. A., Zainordin
The Environmental Fate of Natural and Synthetic Oestrogens; Comparison between Prediction Tools and Experimental Values
title The Environmental Fate of Natural and Synthetic Oestrogens; Comparison between Prediction Tools and Experimental Values
title_full The Environmental Fate of Natural and Synthetic Oestrogens; Comparison between Prediction Tools and Experimental Values
title_fullStr The Environmental Fate of Natural and Synthetic Oestrogens; Comparison between Prediction Tools and Experimental Values
title_full_unstemmed The Environmental Fate of Natural and Synthetic Oestrogens; Comparison between Prediction Tools and Experimental Values
title_short The Environmental Fate of Natural and Synthetic Oestrogens; Comparison between Prediction Tools and Experimental Values
title_sort environmental fate of natural and synthetic oestrogens comparison between prediction tools and experimental values
topic TA Engineering (General). Civil engineering (General)
url http://umpir.ump.edu.my/id/eprint/9393/1/649-CE008.pdf
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